Home / 116,564,021.12-160,930,944.59-74,201,483.06

Finding the Fourth Proportional to 116,564,021.12, 160,930,944.59 and 74,201,483.06

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Solution

The fourth proportional to 116,564,021.12, 160,930,944.59 and 74,201,483.06 is: 102,444,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,564,021.12 : 160,930,944.59 = 74,201,483.06 : x
  2. Step 2: Convert to fraction form
    116,564,021.12/160,930,944.59 = 74,201,483.06/x
  3. Step 3: Cross multiply
    116,564,021.12x = 160,930,944.59 × 74,201,483.06
  4. Step 4: Simplify right side
    116,564,021.12x = 11,941,314,758,205,534
  5. Step 5: Solve for x
    x = 11,941,314,758,205,534/116,564,021.12
  6. Step 6: Final answer
    x = 102,444,258.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.